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This product is a horizontal single-axis tracking system, primarily designed for ground-mounted photovoltaic power plant scenarios. The system employs a multi-point drive design to enhance the structure's torsional resistance and critical wind speed levels. It can adapt to continuous undulations and irregular terrain, and meets installation requirements with a maximum north-south slope of 15%.
Product Description
The D+ series employs horizontal single-axis tracking technology, covering a tracking range of ±45° / ±60° (customizable), and supports both 1000V and 1500V voltage levels. Drive methods include slewing drive or linear actuators, and foundation types support PHC pipe piles, cast-in-place concrete piles, and steel piles. In terms of structural design, the system upgrades the drive point from a single point to a multi-point layout, distributing the force path. The main structural materials are hot-dip galvanized Q235B/Q355B steel or zinc-aluminum-magnesium coated steel, with high anti corrossion coating thickness to provide a certain degree of corrosion resistance.
The system is equipped with several control unit, and can monitor the operating status of each in real time and indicate the fault location when an anomaly occurs, facilitating rapid troubleshooting. The entire design underwent wind tunnel testing, and the structural scheme was optimized for different wind load conditions.
Product Components
Advantage
▶ Terrain Adaptability
Adaptable to continuous undulating and irregular terrain, meeting the design requirements of a 15% north-south slope, reducing site leveling work.
▶ Improved Stability
Upgraded from single-point drive to multi-point drive, helping to improve the system's torsional resistance and support critical wind speed.
▶ Module Compatibility
Compatible with all dimensions of PV modules in the market.
▶ Good Accessibility
Independent tracking design for each row, with no mutual obstruction between rows, facilitating access for construction vehicles and maintenance personnel.
▶ Safety and Reliability
By multiple control units, the system can monitor the operating status of each controller in real time, promptly identifying fault points and helping to reduce power generation loss.
▶ Design Rationality
Verified through wind tunnel testing, the structure has been optimized for different wind pressure areas, improving the overall stability of the system.
Tracker Structure
| Tracking Technology | Horizontal Single Axis Tracker |
| System Voltage | 1000V/1500V |
| Tracking Range | ±45%/±60° |
| Working Wind Speed | 18 m/s (Customizable) |
| Max. Wind Speed | 55 m/s ASCE 7-10 (Customizable) |
| Modules per Tracker | ≤120 Modules (Customizable) |
| Principal Materials | Hot-Dip Galvanized Q235B/Q355B, Zn-Al-Mg Coated Steel |
| Mean Coating Thickness | >80μm |
| Drive System | Linear Actuator/Slew Drive |
| Foundation type | PHC/Cast-in-Place Pile/Steel Pile |
Control System
| Control System | MCU |
| Tracking Mode | Closed Loop Time Control+ GPS |
| Tracking Accuracy | <2° |
| Communication | Wireless (ZigBee, LoRa); Wired (RS485) |
| Powder Acquisition | External Supply/StringSupply/Self-Powered |
| Auto Stow at Night | Yes |
| Auto Stow During High Winds | Yes |
| Optimized Backtracking | Yes |
| Protection Degree | IP65 |
| Working Temperature | -30°C~65°C |
| Anemometer | Yes |
| Power Consumption | 0.3kWh per day |
Applicable Scenarios
▪ Low hills and gentle slopes
▪ Wave-shaped undulating mountains
▪ Terraced land
Important Notes:
▪ Before installation, a detailed measurement of the site topography should be conducted to confirm that the slope variation is within the system design range (usually ≤15% north-south, customizable).
▪ Foundation construction requires selecting an appropriate foundation type (PHC, cast-in-place piles, or steel piles) based on the geological report, and ensuring that pile position deviations meet installation requirements.
▪ The maximum wind resistance of 55 m/s is a design value based on the ASCE 7-10 standard, and this design wind could be customized according to site conditions
▪ The intelligent tracking algorithm relies on real-time weather data sources (e.g., irradiance meters, weather stations).
▪ Regularly inspect the drive mechanism, fasteners, and coating surfaces; promptly maintain any abnormalities.
Summary
This horizontal single-axis tracking system is a product designed for ground-mounted power plants. Its core features include multi-point drive, adaptability to 15% north-south slopes, and independent column control and real-time monitoring. Through wind tunnel testing and targeted structural design, the system demonstrates a certain degree of stability under various terrains and wind loads. Overall, this product is suitable for medium to large-scale photovoltaic projects with complex terrain and high requirements for ease of operation and maintenance and safety. However, its application requires customized design and verification based on actual wind speed, geological conditions, and module configuration.
Solar First Project Reference
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